/* 消除原生样式 */

a {
    text-decoration: none;
}

input {
    outline: none;
}

button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
}

ul li {
    list-style: none;
}

ul {
    margin: 0;
    padding: 0;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.page-all {
    width: 1200px;
    margin: 0 auto;
}

.clearfix,
pre {
    zoom: 1;
}

.orange {
    color: #f85e23;
    font-size: 20px;
}